An area of size 280 km× 350 km is to be surveyed by photogrammetry. The number of photographs required to cover the area are:Given: Format of photograph = 200 mm×220 mmScale of photograph = 1 : 25000Average terrain elevation = 380m Longitudinal overlap = 60%Side overlap = 40%Focal length of camera = 210 mm13846

An area of size 280 km× 350 km is to be surveyed by photogrammetry. T

1.	An area of size 280 km× 350 km is to be surveyed by photogrammetry. The number of photographs required to cover the area are:Given: Format of photograph = 200 mm×220 mmScale of photograph = 1 : 25000Average terrain elevation = 380m Longitudinal overlap = 60%Side overlap = 40%Focal length of camera = 210 mm13846
Answer» An area of size $280 k m \times 350 k m$ is to be surveyed by photogrammetry. The number of photographs required to cover the area are: Given: Format of photograph = $200 m m \times 220 m m$ Scale of photograph = 1 : 25000 Average terrain elevation = 380m Longitudinal overlap = 60% Side overlap = 40% Focal length of camera = 210 mm 13846